gistfile1.rs

fn main() {
    // CountedSet is HashMap<uint, uint>, with the counts of each key
    let numbers = [1u, 1, 1, 2, 2, 3, 1];
    let more_numbers = [1u, 1, 2];
    let count1: CountedSet<uint> = numbers.iter().map(|&x|x).collect();
    let count2: CountedSet<uint> = more_numbers.iter().map(|&x|x).collect();
    println!("{}", count1);
    println!("{}", count2);
    for (o, e) in Repeat::new(&count1.iter()).zip(count2.iter()) {
        println!("{:?} ---- {:?}", o, e);
    }
}